The file 'Pen Vice Self Centering Adapter 3D Printer Model' is (stl) file type, size is 8.5KB.
Turn you regular drill press vice into a self centering pen vice.
You can either tape it to your vice or use 10x3mm or 10x5mm magnets.
Centering_Plate_Vice_Adapter_3mm.stl | 22.3KB | |
Centering_Plate_Vice_Adapter_5mm.stl | 23.9KB |